Vent closure for water pumps



Sept. 15, 1936. H, UTTECH 2,054,209 4 VENT CLOSURE FOR WATER PUMPS FiledJune 5, 1935 Herman Zlitech Patented Sept. 15, 1936 UNITED STATES PATENTOFFICE 2,054,209 7 VENT CLOSURE FOR WATER PUMPS Herman Uttech, Fulda,Minn.

Application June 5, 1935, Serial No. 25,132

2 Claims.

This invention relates to water pumps used in connection with wells andmore particularly to the anti-freezing means usually provided for suchpumps which means consists of a perforation in the tube through whichthe water passes to the pump head, at a point a sufficient distancebelow the ground to permit the escape of all water above the freezingpoint, when the pump is idle.

While the presence of this perforation prevents freezing when the pumpis idle, a constant, though small, stream of water leaks back into thewell during the entire time the pump is in operation, causing a certainamount of loss. For this reason, some pumps have been provided withmeans for closing this perforation, while in operation, and the presentinvention has to do with pumps of that type. The anti-freezing featurecompensates for this loss during cold weather but not during warmweather and the principal object of this invention is to eliminate theloss when there is no danger from freezing.

An object is to provide closing means for the perforation mentioned,which shall be so constructed as not to interfere with the unscrewing ofthe pump head from the tube in which the perforation is located, as issometimes necessary for making repairs.

I attain these objects by means of the mechanism illustrated in theaccompanying drawing,

Figure l is a side elevation of the invention including the base portionof a pump head with tube attached, parts being in section,

Figure 2 is a section on the line 2-2 of Figure 1, and

Figure 3 is a section on the line 33 of. Figure 1.

Referring to the drawing, I ll designates the lower portion of a pumphead which includes the usual supporting flange I I at its base. Thisflange is perforated as at I2 and has the usual threaded opening I3 atits center by means of which the pump head is screwed to the threadedupper end of the tube I4. Formed in this tube at a point 5 below thefreezing line is the customary perforation or vent I5.

Upon the tube I4, slightly above the vent, is a clamp I6, consisting oftwo members I6a and I627, connected together by screws or bolts I1, and

50 projecting from the section I5 are spaced ears Ila between which ispivoted a bell-crank lever I8. Extending from one arm of this lever is aplug I9, adapted to seat within and close the vent I5 or to be removedtherefrom when the 55 bell-crank lever is rocked on its pivot. It willbe noted that the free end of the plug I9 is so formed as to projectentirely through the vent l5 when seated therewithin. Extending from theother arm of the bell-crank lever I8 is a pair of spaced ears 20 betweenwhich is pivoted "5 the lower end of alink 22 which extends up wardly ofthe tube I4. j Slidably mounted on the tube I 4, above the clamp I6, isa collar 2i provided with an annular series of vertical perforations 2Ia and seated with- 10 in one of these perforations is the upper .endof. the link 22 which is threaded and provided with a nut 23 above andbelow the collar, between which the latter is securely clamped. Seatedin another of the perforations 25a is the lower .end of a rod 24 15which is connected to the collar ZI in the same manner as is the upperend of the link 22. The rod 25 passes through the perforation I2 of theflange II and has its upper end turned at right angles to form a handle25. In the rod 24, above the flange I I, is a perforation 24a adapted toreceive a pin 24?).

The operation of. the device is as follows:

To close the vent I5, so as to prevent waste .of water when there is nodanger of freezing, the 25 handle 2'5 is grasped and pushed downwardly.This causes the collar 2I to move downwardly along the tube I4 therebyforcing the link 22 downwardly which rocks the bell-crank lever I8 andcauses the free end of the plug I9 to pass through and become seatedwithin the vent I5. The fact that this plug extends through the ventwill cause dislodgment of rust or other foreign matter that may havecollected therein. To open the vent, as in freezing weather, the handle25 is raised which causes a reverse action of the movable parts. The pin24b is then inserted in the perforation 24a to hold the rod 24 in raisedposition. 40

It is sometimes necessary for the tube I4 to be raised from the well aswhen making repairs to the pump cylinder connected to its lower end.

As these tubes are frequently many feet in length it is customary toraise the pump head from its foundation until the tube is exposed, thenhold the tube with a suitable tool and unscrew the pump head therefrom,after which the tube is further raised. The present construction permitsthe unscrewing of the pump head from the pipe without its beingnecessary to raise the latter to a sufficient degree to disconnect thelink 22 from the bell-crank lever I8. Instead of doing this, it is onlynecessary to raise the tube to a sufficient degree to disconnect the rod24 from the collar 2| by removing the clamping nut from its lower end.

Another advantage of the present structure is brought about'by the factthat there are a num- A further advantage of the present inventionresides in the fact that, due to thearrangement of parts, a pumpprovided therewith may be used in connection with a bored or driven wellhaving a casing of relatively small diameter. It will be noted that thefree ends of the ears lla extend beyond the lower end of the link 22 andthe free ends of the ears 20. This will permit the ears 11a to engageagainst the casing 26 and act as a guard for the movable parts mountedbetween said ears.

I am aware thatit has been proposed to provide a well tube with a ventplug which is pivotally connected thereto and to provide means formoving said plug, the same to extend above the surface of the ground andI do not claim such a construction broadly.

What is claimed is:

l. A pump head having a perforated base, tube detachably connected tothe pump head and provided with a vent, a closure for the vent pivotallyconnected to the tube, a collar loosely surrounding the tube to slidethereon and be guided thereby,a link connecting the closure and thecollar, and a rod detachably connected to the collar and passingvthrough the perforation in the base of the pump head.

- 2. A pump head having a perforated base, a'

tube detachably connected to the pump head and provided with a ventspaced below said pump head, a clamping strap surrounding said tubeabove the vent and having a pair of lateral ears, a bolt passing throughsaid ears, a bell crank lever pivoted on said bolt and having one armextending along said tube and terminating in a closure for said vent,the second arm of'said lever extending laterally of the tube, a collarslidably mounted'on the upper part of said tube and guided thereby, alink connecting said last collar and the second arm of the bell cranklever, a handled rod fixed to said last collar and extending through theperforation in the pump head, and means to releasably hold said rod inraised position.

HERMAN UT'I'ECI-I.

